swordtail, helleri, topminnow, Xyphophorus helleri
(noun) freshwater fish of Central America having a long swordlike tail; popular aquarium fish
Source: WordNet® 3.1
swordtail (plural swordtails)
One of many species of freshwater fish, in genus Xiphophorus, others of which are called platyfish.
Any of various papilionid butterflies that have a long sword-like projection from the tornal section of each hindwing.
• green swordtail
Source: Wiktionary
Sword"tail`, n. (Zoöl.) (a) The limulus. (b) Any hemipterous insect of the genus Uroxiphus, found upon forest trees.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
Contrary to popular belief, coffee beans are not technically beans. They are referred to as such because of their resemblance to legumes. A coffee bean is a seed of the Coffea plant and the source for coffee. It is the pit inside the red or purple fruit, often referred to as a cherry. Just like ordinary cherries, the coffee fruit is also a so-called stone fruit.
